> >Alas, no. I'm fairly convinced that's a PPP thing, if it was happening to> > Agreed your first trace shows that the TCP stack of the linux-sending-side> is fine. It's the the hardware layer that is dropping packets.

*nods* It doesn't seem to depend on the equipment at the far end of the link,so I'm guessing it's a local problem. The modem here is part of a 3Com"Etherlink III LAN+33.6 Modem PC Card" (that's PCMCIA to you and me). cardmgridentifies it as "3Com 3c562/3c563 Ethernet/Modem" and insmods 3c589_cs.oand serial_cs.o. So I guess the question is hardware problem (modem), softwareproblem (driver), or wetware problem (me configuring something wrong <g>)?

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